2122011012 has 48 divisors (see below), whose sum is σ = 5475500352. Its totient is φ = 634222080.

The previous prime is 2122010993. The next prime is 2122011049. The reversal of 2122011012 is 2101102212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100473 + ... + 119744.

It is an arithmetic number, because the mean of its divisors is an integer number (114072924).

Almost surely, 2^2122011012 is an apocalyptic number.

2122011012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122011012 is an abundant number, since it is smaller than the sum of its proper divisors (3353489340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122011012 is a wasteful number, since it uses less digits than its factorization.

2122011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220308 (or 220306 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2122011012 is about 46065.2907512804. The cubic root of 2122011012 is about 1285.0377258325.

Adding to 2122011012 its reverse (2101102212), we get a palindrome (4223113224).

It can be divided in two parts, 212201 and 1012, that multiplied together give a palindrome (214747412).

The spelling of 2122011012 in words is "two billion, one hundred twenty-two million, eleven thousand, twelve".